Recommendations on a dosing pump for ALK and CAL

[Bobbofin]

Actually I bought a Jebao DP-2 for $74.99. I only need it for alk and calc so it fits my needs. I've let you know how it works out.

http://www.ebay.com/itm/131435708158?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT